Underwater thruster



FIG. 1 is a front perspective view of a underwater thruster, showing the first embodiment of my new design;

FIG. 2 is a rear perspective view thereof;

FIG. 3 is a front elevational view thereof;

FIG. 4 is a rear elevational view thereof;

FIG. 5 is a left side view thereof;

FIG. 6 is a right side view thereof;

FIG. 7 is a top plan view thereof;

FIG. 8 is a bottom plan view thereof;

FIG. 9 is a front perspective view of the underwater thruster in a detached state;

FIG. 10 is a rear perspective view of the underwater thruster in a detached state;

FIG. 11 is a rear perspective view of the underwater thruster in a detached state in another angle thereof;

FIG. 12 is a front perspective view of a underwater thruster, showing the second embodiment of my new design;

FIG. 13 is a rear perspective view thereof;

FIG. 14 is a front elevational view thereof, the rear elevational view being a mirror image of FIG. 14 ;

FIG. 15 is a left side view thereof;

FIG. 16 is a right side view thereof;

FIG. 17 is a top plan view thereof;

FIG. 18 is a bottom plan view thereof;

FIG. 19 is a front perspective view of the underwater thruster in a detached state;

FIG. 20 is a rear perspective view of the underwater thruster in a detached state; and,

FIG. 21 is a rear perspective view of the underwater thruster in a detached state in another angle thereof.

The broken lines in the figures are for the purposes of illustrating portions of the underwater thruster, which form no part of the claimed design. 

CLAIM The ornamental design for a underwater thruster, as shown and described. 